package com.min.star.service;

import java.util.List;

import javax.validation.Valid;

import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.min.star.model.Grade;
import com.min.star.model.Systeminfo;

public interface IGradeService {

	List<Grade> selectGradeList();


	Page<Grade> selectPage(Page<Grade> page);


	Page<Grade> findPage(Page<Grade> page, Grade grade);


	int delete(String gradeIds);


	Grade save(Grade grade);


	boolean checkgradeExist4Add(Grade grade);


	int update(Grade grade);


	Grade findById(Long id);

}
